Air hammer.



A; GRlGGS.

AIR HAMMER.

APPLcAToN FILED APR.10}1915.

1,17220& Patented Feb. 15, 1916.

hammer including a barrel having a reduced creased diameter to sldably receive the and threaded end and a snap having a heads of the cufi'. e 13 threaded end, of ?a cufl' including opposte In testmony Whereof I afix my signature cylndrcal heads' to sldably receive the in presence of tW, witnesses. i 5 ends of the snap and barrel and a plate ex e ALONZO GRIG-GS.

tension rgdly connectng the heads? and Wtnesses i nuts threaded upon the ends of the snap and J. HASSIE J ONES, barreh' said nuts having portons of in- J. JERVEY GANTT.

copies of this patent may be obtained for five cents ech, by addressing the Commissioner 'of Patents, 

